1,2-Diaminonaphthalene-5,7-Disulfonic Acid

Lingxian Chemical

Specifications

HS Code	497080
Chemical Formula	C10H10N2O6S2
Molar Mass	318.33 g/mol
Appearance	Solid
Solubility In Water	Soluble
Melting Point	Decomposes
Ph Aqueous Solution	Acidic
Hazard Class	Irritant

Packing & Storage

Packing	1,2 - Diaminonaphthalene - 5,7 - Disulfonic Acid packaged in 1 - kg bags.
Storage	1,2 - Diaminonaphthalene - 5,7 - Disulfonic Acid should be stored in a cool, dry, well - ventilated area, away from direct sunlight. Keep it in a tightly - sealed container to prevent contact with moisture, which could degrade the chemical. Store separately from incompatible substances like oxidizing agents and bases to avoid potential reactions.
Shipping	1,2-Diaminonaphthalene - 5,7 - Disulfonic Acid is shipped in sealed, corrosion - resistant containers. Adequate cushioning is used to prevent breakage. Shipping follows strict chemical transportation regulations to ensure safety.

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1,2-Diaminonaphthalene-5,7-Disulfonic Acid

General Information

Historical Development

The ancient scholars, in the study of things, pay particular attention to their origin and change. Today there are 1,2 - Diaminonaphthalene - 5,7 - Disulfonic Acid of this thing, its origin is also unknown, the reason. However, as the years go by, all the wise forces investigate, and gradually understand its nature. At the beginning, or only accidentally obtained, not detailed. After several generations of study, in the chemical industry, medicine, gradually develop its ability. From ignorance to observation, from useless and meritorious, all rely on the diligence of the public, day and night to think and practice, so that the wonders of this thing can be known to the world, and it can be used on the stage of the times to show its elegance. It has become a grand scene of development in the past, and a foundation for future generations to study.

Product Overview

1,2-Diaminonaphthalene-5,7-disulfonic acid is a unique chemical substance. Its shape may be powder, white or slightly other colors. This substance has specific uses and values in the field of chemical research. In its structure, the naphthalene ring is connected with a diamino group and a disulfonic acid group, giving it special chemical properties.
In the reaction, because of the activity of the amino group and the sulfonic acid group it contains, it can participate in many organic synthesis reactions, or be a reactant or a catalyst to help generate various compounds. In the preparation process of many chemical products, this 1,2-diaminonaphthalene-5,7-disulfonic acid is often a key raw material, which has a great impact on the performance and quality of the product. And because of its unique structure, it also shows potential application prospects in some special fields, such as the development of new materials, which is worthy of in-depth investigation and study.

Physical & Chemical Properties

The physical and chemical properties of 1,2-diaminonaphthalene-5,7-disulfonic acid can be studied. Looking at its color, or in a plain white state, the powder is as fine as dust, and it is slightly shiny under light. Touch it, the texture is delicate, like the softness of snow velvet.
In terms of its solubility, it can be quite melted in water. When it is warm in soup, it will dissolve quickly and become more sick. It is like snow entering a warm stream and quietly turning invisible. And its solution has a certain conductivity, due to the dissociation of ions.
As for its chemistry, it contains amino groups and sulfonic acid groups, which are quite active. Amino groups can be combined with acids, and sulfonic acid groups can also be combined with bases, just like yin and yang, and new compounds are synthesized during the reaction, which is a wonder of chemical changes. This is a summary of the physical and chemical properties of 1,2-diaminonaphthalene-5,7-disulfonic acid, which will be investigated in detail by our generation to understand more mysteries.

Technical Specifications & Labeling

For 1,2-diaminonaphthalene-5,7-disulfonic acid, process specifications and identification (product parameters) are the key. Its process specifications need to specify the preparation method, from the selection of raw materials, it must be pure and fine, to the control of reaction conditions, temperature, pressure and duration must be accurate, such as boiling in a kettle, moderate heat, to get the best effect. The reaction steps should also be orderly and not disordered.
As for the logo (product parameters), the appearance and color need to be determined, or crystal white, or slightly glossy. The standard of purity should be very high, and the impurity content must be strictly controlled. Parameters such as solubility and stability also need to be detailed to help users know their properties before they can be used well. In this way, rigorous treatment of process specifications and identification (product parameters) is required to ensure the quality and usability of this product.

Preparation Method

To prepare 1,2-diaminonaphthalene-5,7-disulfonic acid, the method is as follows: Prepare the raw material, use naphthalene as the base, and sulfonate to obtain naphthalene sulfonic acid. Then nitrate is introduced into the naphthalene ring at a specific position. This step requires controlling the reaction conditions. Temperature and reagent ratio are all key. Then, with an appropriate reducing agent, such as iron powder and hydrochloric acid, the nitro group is reduced to an amino group to obtain 1,2-diaminonaphthalene-5,7-disulfonic acid. During the reaction process, each step should be strictly operated and sequenced, and a suitable catalytic mechanism should be constructed to promote the reaction to be efficient and accurate, and to improve the purity and yield of the product.

Chemical Reactions & Modifications

The chemical reaction and denaturation of 1,2-diaminonaphthalene-5,7-disulfonic acid have been studied by chemists for a long time.
If you want to obtain this substance, you must go through various reaction pathways. Or choose the method of sulfonation to add sulfonic acid groups to the structure of naphthalene, and use the technique of amination to introduce amino groups. However, the reaction conditions are quite important, and the genera of temperature, pressure, and catalyst need to be carefully regulated. If the temperature is too high, the secondary reactions will be clumped and the product will be impure; if the temperature is too low, the reaction will be slow and the efficiency will not be good.
As for denaturation, the properties of this substance can change depending on the surrounding environment. In different acid and base media, its ionization state and stability are different. To improve its properties, you can start with the molecular structure, add specific groups, or change the order of atomic connections to make it suitable for various purposes, such as dyes, medicine and other fields, to increase its usefulness and expand its path.

Synonyms & Product Names

1,2-diaminonaphthalene-5,7-disulfonic acid, which is also known as naphthalene diaminodisulfonic acid. Although its name is different, it is actually the same. This chemical has a wide range of uses and is often used as a key raw material in the preparation of dyes and pigments. In the past, there was no standard for the designation of various chemical materials, so the same substance often appeared more than one. Naphthalene diaminodisulfonic acid, also well known in the industry, is the same as 1,2-diaminonaphthalene-5,7-disulfonic acid. Both characterize this specific chemical compound. Although the names are different, the functions are the same. It is indispensable for the chemical industry.

Safety & Operational Standards

1,2-Diaminonaphthalene-5,7-disulfonic acid, this is an important chemical substance. Care should be taken regarding its safety and operating practices.
When handling this substance, the operator should be in front of suitable protective clothing, such as protective clothing, gloves and goggles, to prevent it from coming into contact with the skin and eyes. If you accidentally touch it, you should immediately rinse it with plenty of water. If you feel unwell, you must seek medical attention immediately.
In terms of operating environment, it is necessary to maintain smooth ventilation to avoid the accumulation of dust or steam in the air. The operating site should also be kept away from fire and heat sources, as it may be flammable to a certain extent.
When storing, this item should be placed in a cool, dry and well-ventilated place, away from oxidants and other incompatible substances to prevent chemical reactions.
When using this item, be sure to operate according to the precise quantity and specifications, and must not use it in excess. And the operation process should strictly follow the established procedures and must not be changed without authorization.
If this item leaks, the leakage area should be quickly isolated and irrelevant personnel should be evacuated. In the event of a small amount of leakage, clean tools can be used to collect it in a suitable container; in the event of a large amount of leakage, an emergency plan needs to be activated and properly handled to ensure that the environment is not polluted.
In conclusion, during the entire operation and storage of 1,2-diaminonaphthalene-5,7-disulfonic acid, safety should be the top priority, and operating standards should be strictly followed, so as to ensure the safety of personnel and the tranquility of the environment.

Application Area

1,2-Diaminonaphthalene-5,7-disulfonic acid is useful in various fields. In the field of chemical industry, it can be used as a raw material for the synthesis of special dyes. With its unique structure, it can make the dyes have excellent color fastness and color. In scientific research, it is an important reagent in analytical chemistry. Research assistants accurately determine the content of certain metal ions, and use their specific reactions with metal ions to show obvious phenomena for judgment. It is also used in materials science to contribute to the preparation of functional materials. Through clever synthesis, new properties such as better adsorption or stability are imparted to the materials. From this point of view, 1,2-diaminonaphthalene-5,7-disulfonic acid has value that cannot be ignored in many application fields, and is a key factor to promote the progress of related industries.

Research & Development

A Brief Introduction to the Research and Use of 1,2-diaminonaphthalene-5,7-disulfonic Acid
In recent years, among chemical substances, 1,2-diaminonaphthalene-5,7-disulfonic acid has gradually become more and more important in the academic community. Yu devoted himself to the research and felt that it contained wonderful principles, which were quite worth exploring.
At the beginning, its structure was analyzed, which was complex and exquisite, just like the key of nature. The skeleton of 1,2-diaminonaphthalene is linked with 5,7-disulfonic acid group, which is constructed in this way, giving it its specificity. Its dissolution or decomposition in solvents follows the laws of physical chemistry, which is the basis for exploring its properties.
Then, explore its application. In the field of dyes, based on them, dyes with bright color and good fastness can be made. It is closely combined with fabrics, and has been eroded by years and wind and rain, and the color is still fresh. In biochemical analysis, it can be used as a marker agent to help students understand the subtlety of biochemical reactions in the microscopic world, such as the change of tracer proteins and nucleic acids, like candles in the dark night, illuminating the road to microscopic exploration.
However, on the way to research, there are also thorns. The synthesis method is either expensive or the yield is not ideal, so it needs to be repeatedly reviewed and optimized. During the purification process, impurities are difficult to remove, resulting in the purity of the product not meeting expectations.
Yu et al. should make unremitting efforts to optimize the synthesis method, reduce costs and improve production; find exquisite purification strategies to obtain high-purity products. Make 1,2-diaminonaphthalene-5,7-disulfonic acid shine in various fields, and contribute to the advancement of science and technology and the benefit of people's livelihood.

Toxicity Research

Today, there is a product named 1,2 - Diaminonaphthalene - 5,7 - Disulfonic Acid. I am a chemical researcher who specializes in its toxicity. This product is related to everyone's health and cannot be ignored.
Observe its structure, containing sulfonic acid groups and amine groups, or have special reactivity. After a series of experiments, animals were used as samples to measure their ingestion and contact reactions. After ingestion, the animals showed discomfort from time to time and abnormal organs. From this, it can be seen that this product has certain toxicity.
Although the current experiment only provides a glimpse, toxicity research is crucial. The follow-up should be rigorous, extensive data collection, in-depth study of its mechanism of action, clarify its toxicity in different environments and doses, in order to protect everyone from its harm, and provide comprehensive safety guidelines for users of this product.

Future Prospects

1, 2 - Diaminonaphthalene - 5, 7 - Disulfonic Acid, it is also a thing of transformation. The future prospects of this product are promising.
This product is used in general fields, and it may have new uses. In the way of materials, it may be able to assist in the research of new materials, so that their performance is excellent, and it can be used. In the way of development, or there may be a problem, to make new products, to solve people's diseases and pains.
And in the process of scientific research, those who study this compound must use fine research and explore its depth. Before we know it, we may be able to learn more secrets and develop its capabilities for the benefit of the world. Therefore, we hope that when it is not yet available, it will be greatly used.

Frequently Asked Questions

What is the main use of 1,2-diaminonaphthalene-5,7-disulfonic acid?

1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid, this substance is an important raw material for chemistry and is widely used in many fields.
First, in the dye industry, its role is extraordinary. It can provide a key intermediate for the synthesis of a variety of bright colors and good fastness dyes. Through specific chemical reactions, it can be ingeniously converted into dye molecules suitable for different fabric dyeing needs. The dyes synthesized through this substance are not only rich and diverse in color, but also have excellent performance in light resistance, washing resistance, etc., thus greatly enhancing the quality and commercial value of dyed fabrics.
Second, in the field of medicine, it also has an important position. Due to its unique chemical structure, it may be used as a starting material or key modification fragment for drug synthesis. Studies have found that some compounds derived from its structure exhibit potential biological activity or are helpful for the treatment of certain diseases. For example, in the process of developing new antibacterial and anti-inflammatory drugs, its structural properties may provide unique ideas and directions for drug molecular design.
Third, it also plays an important role in the field of materials science. It can be used as an additive or structural unit for the preparation of functional materials. For example, when preparing some polymer materials with special optical and electrical properties, introducing them into the material structure can effectively improve the properties of the material, endow the material with special functions such as fluorescence properties and ionic conductivity, and then meet the strict requirements of different high-end technical fields for material properties.
In short, 1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid plays an indispensable role in many fields such as dyes, medicine, materials, etc., and is of great significance to promote the technological progress and innovation of related industries.

What are the physical properties of 1,2-diaminonaphthalene-5,7-disulfonic acid?

1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid, this substance is white to light gray powder and is quite stable at room temperature. It is easily soluble in water and can dissociate ions in water, showing good water solubility. This property makes it widely used in many chemical reactions and industrial processes using water as a medium.
It has a certain degree of acidity, because the sulfonic acid group in the molecule can ionize hydrogen ions. This acidic property allows it to neutralize with bases to generate corresponding salts. With this property, it can play a key role in some chemical processes that require adjustment of pH.
In terms of chemical structure, the naphthalene ring endows the substance with a certain conjugated system, which makes it have a unique electron cloud distribution, which in turn affects its chemical activity and physical properties. The conjugated system not only enhances the stability of the molecule, but also has an effect on its spectral properties. For example, under the irradiation of specific wavelengths of light, unique absorption and emission phenomena may occur, which may have potential applications in the field of analytical chemistry and optical materials.
In addition, the two hydroxyl groups and two sulfonic acid groups of the substance endow it with good hydrophilicity and reactivity, and can participate in a variety of substitution reactions, condensation reactions, etc., providing rich possibilities for organic synthesis chemistry. It can be used as a key intermediate for the preparation of more complex organic compounds.

Is the chemical properties of 1,2-diaminonaphthalene-5,7-disulfonic acid stable?

The chemical properties of 1,2-dihydroxynaphthalene-5,7-disulfonic acid are quite stable. In this compound, the presence of hydroxyl and sulfonic acid groups endows it with unique chemical properties.
Hydroxyl groups have certain hydrophilicity and can participate in a variety of chemical reactions, such as esterification and etherification. However, in 1,2-dihydroxynaphthalene-5,7-disulfonic acid, the reactivity of its hydroxyl groups may change due to the influence of the naphthalene ring and the sulfonic acid group. The distribution of the electron cloud of the naphthalene ring as a conjugated system makes the density of the hydroxyl electron cloud connected to it regulated by it. The sulfonic acid group is a strong electron-absorbing group, which will further weaken the electron cloud density of the hydroxyl group, causing its nucleophilicity to decrease. Under normal conditions, the reaction involving the hydroxyl group may require more severe conditions to occur.
The sulfonic acid group is also an important part of the compound. The sulfonic acid group is strongly acidic and can easily ionize hydrogen ions in aqueous solution, making the compound exhibit acidic characteristics. This acidity helps it to act as a catalyst in some specific reactions or neutralize with basic substances. At the same time, the presence of sulfonic acid groups enhances the water solubility of the compound, making it more soluble and dispersible in water.
Furthermore, the naphthalene ring structure of 1,2-dihydroxynaphthalene-5,7-disulfonic acid has certain stability due to its conjugation effect. The conjugate system can disperse electrons, reduce the energy of molecules, and make the whole compound structure more stable. Under normal circumstances, without special reaction conditions, the naphthalene ring structure is not prone to violent changes such as ring opening.
Overall, the chemical properties of 1,2-dihydroxynaphthalene-5,7-disulfonic acid are relatively stable due to the interaction between each group and the inherent conjugation stability of the naphthalene ring. However, it should be noted that the so-called stability refers to the fact that under certain extreme conditions such as high temperature, strong acid and alkali, and strong oxidizing agents, chemical reactions may also occur, resulting in changes in chemical properties.

What is the production method of 1,2-diaminonaphthalene-5,7-disulfonic acid?

1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid, the method of preparation of this substance has been known in ancient times. The method is as follows:
First take the naphthalene as the base and place it in the kettle with sulfuric acid in an appropriate ratio. When heating, pay attention to the control of the heat, so that the temperature in the kettle gradually rises to a suitable environment. Naphthalene interacts with sulfuric acid, and a sulfonation reaction occurs, and the sulfonic acid group (-SOH) of sulfuric acid is gradually attached to the naphthalene ring.
In the process of sulfonation, many factors will affect the direction of the reaction and the composition of the product. Temperature is one of the keys. If the temperature is too low, the reaction is slow, or the degree of sulfonation is insufficient; if the temperature is too high, side reactions may occur, resulting in undesired products. Therefore, the temperature is often controlled in a specific range to promote the formation of 1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid.
And the reaction time is also quite critical. After repeated tests, the best reaction time is obtained to ensure the purity and yield of the product. After the reaction is completed, the product is treated by appropriate methods, such as neutralization, separation, purification, etc., to remove impurities, and a pure 1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid can be obtained.
Although this preparation method has undergone changes over the years, its basic principles are still in use today, and only the details of the operation and the precision of the equipment have been refined to meet different needs.

What are the precautions for the use of 1,2-diaminonaphthalene-5,7-disulfonic acid?

1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid, when using, there are various points to pay attention to.
First, this material is corrosive and can cause injury when it touches the skin and enters the eyes. Therefore, when handling, be sure to wear protective clothing, such as protective clothing, protective gloves, and protective goggles to prevent accidental contamination. If you accidentally touch the skin, rinse with plenty of water as soon as possible, and then seek medical treatment; if it enters the eyes, rinse with water immediately and go to the medical office urgently.
Second, its application in chemical experiments, industrial production and other scenarios must follow the correct process and specifications. Weighing, dissolving, mixing and other steps should not be done at will. When dissolving, attention should be paid to the choice of solvent and temperature control to ensure its dissolution effect and stability. If the steps are wrong, or the reaction is abnormal, it will affect the quality of the final product.
Third, storage also needs to be cautious. It should be placed in a cool, dry, well-ventilated place, away from fire and heat sources, and separated from oxidants, alkalis and other substances, because they are mixed with it, or cause violent reactions, which may cause safety risks.
Fourth, this substance may be generated by exhaust gas and waste liquid during use. Exhaust gas must be effectively treated to meet emission standards before it can be discharged, otherwise it will be polluted in the atmosphere; waste liquid should not be dumped at will, and should be collected and treated according to regulations to prevent pollution of water and soil.
All of these are to be paid attention to when using 1% 2C2-dihydroxynaphthalene-5% 2C7-disulfonic acid. Only by treating it with caution and following regulations can we ensure safety and achieve the expected effect.